CN209021508U - A kind of welding robot and soldering cramping apparatus self-checking device - Google Patents

A kind of welding robot and soldering cramping apparatus self-checking device Download PDF

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Publication number
CN209021508U
CN209021508U CN201821556285.7U CN201821556285U CN209021508U CN 209021508 U CN209021508 U CN 209021508U CN 201821556285 U CN201821556285 U CN 201821556285U CN 209021508 U CN209021508 U CN 209021508U
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China
Prior art keywords
calibration
cramping apparatus
soldering cramping
welding
welding robot
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CN201821556285.7U
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Chinese (zh)
Inventor
雷靖
金鹏云
郭增均
过海
武绪来
张超
杨二亮
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Wanxiang Qianchao Co Ltd
Wanxiang Group Corp
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Wanxiang Qianchao Co Ltd
Wanxiang Group Corp
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Abstract

The utility model discloses a kind of welding robots and soldering cramping apparatus self-checking device, including welding robot and soldering cramping apparatus, the soldering cramping apparatus is equipped with multiple correcting mechanisms, correcting mechanism includes calibration block, and calibration block is fixed with soldering cramping apparatus, and calibration block is equipped with the calibration conical surface, the welding robot is equipped with welding gun, calibration of axes is equipped in welding gun muzzle, calibration of axes end is equipped with calibration taper hole, and the calibration conical surface is adapted to calibration calibration taper hole.The utility model provides one kind with that can calibrate soldering cramping apparatus and welding robot relative position automatically, can improve working efficiency, and the simple welding robot of calibrating installation structure and soldering cramping apparatus self-checking device.

Description

A kind of welding robot and soldering cramping apparatus self-checking device
Technical field
The utility model relates to welding processing technical fields, automatic more particularly, to a kind of welding robot and soldering cramping apparatus Calibrating installation.
Background technique
Welding robot is the industrial robot for being engaged in welding (including cutting and spraying).According to International Organization for standardization (ISO) industrial robot belongs to the definition of standard welding robot, and industrial robot is a kind of multiduty, repeatable programming It automatically controls operation machine (Manipulator), there are three or more programmable axis, be used for industrial automation.It uses It when mortgage robot is welded, needs that first converted products is fixed on soldering cramping apparatus, then soldering cramping apparatus is fixed to welding On the installation station of robot, then product is welded.Existing soldering cramping apparatus and robot after the program of number weld seam, Upper machine and lower machine require to calibrate weld seam one by one again manually each time, because the location hole on clamp bottom board has gap, partially Poor 1mm or more weldquality is just decreased obviously.Weld seam is recalibrated, and relies on manpower every time, is influenced very much working efficiency and is increased The working strength of worker, frequent switching fixture will affect weldquality after personnel's carelessness.
Chinese patent application publication number CN205111164U, publication date are on February 03rd, 2016, a kind of entitled " left side Enclose tool box installation connecting plate assembly soldering cramping apparatus ", a kind of left-side tool box installation connecting plate assembly soldering cramping apparatus is disclosed, Connecting plate assembly soldering cramping apparatus ontology is installed including side wall tool box, left-side tool box installation connecting plate assembly is welded folder Mo(u)ld top half block, the mo(u)ld top half block double-sided compression, the left-side tool box installation connecting plate assembly weldering are installed above tool ontology Clamps ontology is provided with positioning pin delivery device, and it is total that the positioning pin delivery device is mounted on side wall tool box installation connecting plate At the center of soldering cramping apparatus ontology, the left-side tool box installation connecting plate assembly soldering cramping apparatus ontology is equipped with weight loss groove, The weight loss groove is mounted on the support frame of two sides.But described device can not be calibrated automatically, can not solve above-mentioned ask Topic.
Summary of the invention
The utility model in order to overcome the shortcomings in the prior art, provide it is a kind of have can calibrate automatically soldering cramping apparatus with Welding robot relative position can improve working efficiency, and the simple welding robot of calibrating installation structure and soldering cramping apparatus are certainly Dynamic calibrating installation.
To achieve the goals above, the utility model uses following technical scheme:
A kind of welding robot and soldering cramping apparatus self-checking device, including welding robot and soldering cramping apparatus, the weldering Clamps are equipped with multiple correcting mechanisms, and correcting mechanism includes calibration block, and calibration block is fixed with soldering cramping apparatus, and calibration block is equipped with The conical surface is calibrated, the welding robot is equipped with welding gun, and calibration of axes is equipped in welding gun muzzle, and calibration of axes end is equipped with calibration cone Hole, the calibration conical surface are adapted to calibration calibration taper hole.By implementing above-mentioned technical proposal, welding robot and weldering may be implemented The function that clamps are calibrated automatically.The relative position of the correcting mechanism and soldering cramping apparatus is fixed, and the relative position error is than welding The small an order of magnitude of allowable error is processed, the location point of correcting mechanism can regard the datum mark of soldering cramping apparatus.Soldering cramping apparatus peace When on welding robot station, height and position is bonded guarantor with welding robot station upper surface by soldering cramping apparatus lower surface Card, height dimension can meet processing request without calibration, so the size for needing to calibrate is the size in horizontal direction.It is described Axis is overlapped both when the calibration conical surface is with calibration taper hole fitting, when multiple calibration conical surfaces are with calibration taper hole fitting, it is ensured that water Square upward each size calibration is accurate.Even if the calibration conical surface is worn with calibration taper hole surface, since the conical surface has The calibration size of automatic Fitting effect, horizontal direction is still accurate, and vertical direction calibration size has minor alteration, but adds to welding Work does not influence.The preceding fitting by the calibration conical surface and calibration taper hole is processed, calibration point on available soldering cramping apparatus Location message establishes holder coordinate sys, is fitted with original coordinate system, determines machining path, without carrying out manual school It is quasi-.
Preferably, the correcting mechanism further includes protective shell, protective shell is fixed with soldering cramping apparatus, and protective shell upper end is equipped with Through-hole, through-bore axis are overlapped with calibration conical surface axis.Since soldering cramping apparatus needs often installation processing part, disassembly process possible Calibration block can be collided, calibration block position or damage shape are changed.The protective shell can guarantee school to calibration block to protecting Quasi- block position is accurate.The through-hole can guarantee that protective shell will not move calibration and generate interference.
Preferably, the calibration block includes sequentially connected positioning region, pedestal and calibration portion, the calibration conical surface setting In calibration portion end;The soldering cramping apparatus is equipped with location hole, and location hole is adapted to positioning region;Pedestal and soldering cramping apparatus pass through spiral shell Bolt is fixed.The structure can guarantee calibration block and soldering cramping apparatus releasable connection, after calibration block abrasion, can carry out more to it It changes.The calibration portion and fixture positioning hole cooperate, it is ensured that the position of calibration block is accurate.
Preferably, the calibration of axes is screwed with welding gun.The structure can guarantee calibration of axes and the removable company of welding gun It connects, after calibration of axes abrasion, it can be replaced
Preferably, the calibration of axes end is located within welding gun muzzle end face.The structure can reduce calibration of axes pair The influence of welding.Meanwhile it is lower outside temperature relative muzzle in welding gun muzzle, calibration of axes is entirely located in muzzle can be at work Guarantee that calibration of axes temperature is not excessively high, increases its service life.
A kind of welding robot and soldering cramping apparatus automatic calibrating method, using a kind of above-mentioned welding robot and the folder that is welded Have self-checking device, comprising the following steps:
A. it installs for the first time: soldering cramping apparatus is mounted on the welding post of welding robot;
B. position measures: by the calibration point on the calibration taper hole alignment soldering cramping apparatus on welding gun, record soldering cramping apparatus calibration Point position;
C. establish original coordinate system: after measuring all calibration point positions, the calibration point with the soldering cramping apparatus at this time of record is Datum mark establishes original coordinate system;
D. path programs: on the basis of original coordinate system, editing path of welding program;
E. it processes: the part on fixture being processed according to programming, after processing is completed clamper for disassembling;
F. subsequent installation: soldering cramping apparatus is mounted on the welding post of welding robot;
G. position measures:
G1. measurement prepares: the calibration hole on welding gun is automatically moved to the top of original coordinate system lieutenant colonel on schedule, keeps calibration Axis horizontal position, declines calibration of axes along the vertical direction;
G2. position is fitted: when being located at calibration chamfered portion in calibration hole, releasing the horizontal position of mechanical arm Butt welding gun Limitation, guarantee calibration of axes can be moved freely in the horizontal direction when by power, continue to make calibration of axes along the vertical direction under Drop is bonded calibration taper hole completely with the conical surface is calibrated, and records the position of calibration point at this time;
H. establish holder coordinate sys: after measuring all calibration point positions, the calibration point with the soldering cramping apparatus at this time of record is Datum mark establishes holder coordinate sys;
I. coordinate system is fitted: being fastened in original coordinates plus fitting coefficient, is overlapped original coordinate system with holder coordinate sys;
J. it processes: on the basis of the coordinate system after fitting, calling welding procedure, carry out welding processing, dismantle after processing is completed Soldering cramping apparatus.
By implementing above-mentioned technical proposal, the automatic calibration of soldering cramping apparatus may be implemented.Because of soldering cramping apparatus self structure It is function that is metastable, being fitted by calibration point, the increase robot on increase soldering cramping apparatus, the machine on soldering cramping apparatus After can establish coordinate system automatically, be fitted with soldering cramping apparatus local Coordinate System, as long as the good welding of programming in this coordinate system for the first time Behind path, upper machine can preferably find path of welding accurately with automatic Fitting every time for remaining.Weldquality can be maintained in this way, mentioned High working efficiency can also reduce working strength.Since soldering cramping apparatus itself has certain locating effect, after soldering cramping apparatus installation accidentally Difference when being unsatisfactory for mismachining tolerance needs, but carrying out step g1, requires scale error lower mistake in 2mm within 2mm Difference does not influence the determination in measurement preparation to position.
The beneficial effects of the utility model are: (1) can calibrate soldering cramping apparatus and welding robot relative position automatically, subtract The working strength of small welding personnel;(2) calibration dimensional accuracy is high;(3) correcting mechanism abrasion influences dimensional accuracy small; (4) calibration speed is fast, and work efficiency is high.
Detailed description of the invention
Fig. 1 is the partial structural diagram of the utility model alignment mechanism section;
Fig. 2 is the structural schematic diagram of the utility model alignment block;
Fig. 3 is the partial structural diagram of welding gun part in the utility model;
Fig. 4 is the utility model overall structure diagram.
In figure: welding robot 1, soldering cramping apparatus 2, location hole 2.1, correcting mechanism 3, calibration block 3.1, the calibration conical surface 3.1.1, positioning region 3.1.2, pedestal 3.1.3, calibration portion 3.1.4, protective shell 3.2, through-hole 3.3, welding gun 4, calibration of axes 5, calibration Taper hole 5.1.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of welding robot and soldering cramping apparatus self-checking device, including welding Robot 1 and soldering cramping apparatus 2, the soldering cramping apparatus 2 are equipped with multiple correcting mechanisms 3, and correcting mechanism 3 includes calibration block 3.1, school Quasi- block 3.1 and soldering cramping apparatus 2 are fixed, and calibration block 3.1 is equipped with calibration conical surface 3.1.1, and the welding robot 1 is equipped with welding gun 4, be equipped with calibration of axes 5 in 4 muzzle of welding gun, 5 end of calibration of axes is equipped with calibration taper hole 5.1, the calibration conical surface 3.1.1 with calibrate school Quasi- taper hole 5.1 is adapted to.By implementing above-mentioned technical proposal, the function that welding robot 1 and soldering cramping apparatus 2 are calibrated automatically may be implemented Energy.The relative position of the correcting mechanism 3 and soldering cramping apparatus 2 is fixed, and the relative position error is smaller than welding processing allowable error by one A order of magnitude, the location point of correcting mechanism 3 can regard the datum mark of soldering cramping apparatus 2.Soldering cramping apparatus 2 is mounted on welding robot When on 1 station, height and position is bonded guarantee with 1 station upper surface of welding robot by 2 lower surface of soldering cramping apparatus, height dimension without Need to calibrate can meet processing request, so the size for needing to calibrate is the size in horizontal direction.The calibration conical surface 3.1.1 Axis is overlapped both when being fitted with calibration taper hole 5.1, when multiple calibration conical surface 3.1.1 and calibration taper hole 5.1 are fitted, it is ensured that Each size calibration in horizontal direction is accurate.Even if the calibration conical surface 3.1.1 is worn with calibration 5.1 surface of taper hole, Since the conical surface has automatic Fitting effect, the calibration size of horizontal direction is still accurate, and vertical direction calibration size has minor alteration, But welding processing is not influenced.It is available by the fitting of the calibration conical surface 3.1.1 and calibration taper hole 5.1 before processing The location message of calibration point, establishes holder coordinate sys on soldering cramping apparatus 2, is fitted with original coordinate system, determines machining path, Without carrying out manual calibration.
The correcting mechanism 3 further includes protective shell 3.2, and protective shell 3.2 and soldering cramping apparatus 2 are fixed, and 3.2 upper end of protective shell is set There is through-hole 3.3,3.3 axis of through-hole is overlapped with calibration conical surface 3.1.1 axis.Since soldering cramping apparatus 2 needs often to install processing zero Part, disassembly process may collide calibration block 3.1, change 3.1 position of calibration block or damage shape.The protective shell 3.2 can be with 3.1 pairs of calibration block are protected, guarantees that 3.1 position of calibration block is accurate.The through-hole 3.3 can guarantee that protective shell 3.2 will not Calibration is moved and generates interference.
The calibration block 3.1 includes sequentially connected positioning region 3.1.2, pedestal 3.1.3 and calibration portion 3.1.4, the school Director cone 3.1.1 is arranged in the calibration portion end 3.1.4;The soldering cramping apparatus 2 is equipped with location hole 2.1, location hole 2.1 and positioning Portion 3.1.2 adaptation;Pedestal 3.1.3 is bolted with soldering cramping apparatus 2.The structure can guarantee calibration block 3.1 and be welded 2 releasable connection of fixture can replace it after calibration block 3.1 is worn.The calibration portion 3.1.4 and fixture positioning hole 2.1 cooperations, it is ensured that the position of calibration block 3.1 is accurate.
The calibration of axes 5 is screwed with welding gun 4.The structure can guarantee calibration of axes 5 and 4 releasable connection of welding gun, when After calibration of axes 5 is worn, it can be replaced
5 end of calibration of axes is located within 4 muzzle end face of welding gun.The structure can reduce by 5 pairs of calibration of axes welding It influences.Meanwhile it is lower outside temperature relative muzzle in 4 muzzle of welding gun, calibration of axes 5, which is entirely located in muzzle, to be guaranteed at work 5 temperature of calibration of axes is not excessively high, increases its service life.
A kind of welding robot and soldering cramping apparatus automatic calibrating method, using a kind of above-mentioned welding robot and soldering cramping apparatus Self-checking device, comprising the following steps:
A. it installs: soldering cramping apparatus 2 being mounted on the welding post of welding robot 1 for the first time;
B. position measures: the calibration taper hole 5.1 on welding gun 4 being directed at the calibration point on soldering cramping apparatus 2, records soldering cramping apparatus 2 calibration point positions;
C. establish original coordinate system: after measuring all calibration point positions, the calibration point with the soldering cramping apparatus at this time 2 of record is Datum mark establishes original coordinate system;
D. path programs: on the basis of original coordinate system, editing path of welding program;
E. it processes: the part on fixture being processed according to programming, after processing is completed clamper for disassembling;
F. subsequent installation: soldering cramping apparatus 2 is mounted on the welding post of welding robot 1;
G. position measures:
G1. measurement prepares: the calibration hole on welding gun 4 is automatically moved to the top of original coordinate system lieutenant colonel on schedule, keeps school 5 horizontal position of fiducial axis, declines calibration of axes 5 along the vertical direction;
G2. position is fitted: when being located at calibration chamfered portion in calibration hole, releasing the horizontal position of mechanical arm Butt welding gun 4 Limitation, guarantee calibration of axes 5 can be moved freely in the horizontal direction when by power, continue to make calibration of axes 5 along vertical side It to decline, is bonded calibration taper hole 5.1 completely with conical surface 3.1.1 is calibrated, records the position of calibration point at this time;
H. establish holder coordinate sys: after measuring all calibration point positions, the calibration point with the soldering cramping apparatus at this time 2 of record is Datum mark establishes holder coordinate sys;
I. coordinate system is fitted: being fastened in original coordinates plus fitting coefficient, is overlapped original coordinate system with holder coordinate sys;
J. it processes: on the basis of the coordinate system after fitting, calling welding procedure, carry out welding processing, dismantle after processing is completed Soldering cramping apparatus 2.
By implementing above-mentioned technical proposal, the automatic calibration of soldering cramping apparatus 2 may be implemented.Because soldering cramping apparatus 2 itself is tied Structure is function that is metastable, being fitted by calibration point, the increase robot on increase soldering cramping apparatus 2, on soldering cramping apparatus 2 Coordinate system can be established after machine automatically, is fitted with 2 local Coordinate System of soldering cramping apparatus, as long as programming in this coordinate system for the first time After path of welding, upper machine can preferably find path of welding accurately with automatic Fitting every time for remaining.Weld seam matter can be maintained in this way Amount improves working efficiency, can also reduce working strength.Since soldering cramping apparatus 2 itself has certain locating effect, soldering cramping apparatus 2 Error is within 2mm after installation, lower to scale error requirement when being unsatisfactory for mismachining tolerance needs, but carrying out step g1, Error in 2mm does not influence the determination in measurement preparation to position.
The beneficial effects of the utility model are: soldering cramping apparatus and welding robot relative position can be calibrated automatically, reduce The working strength of welding personnel;It is high to calibrate dimensional accuracy;Correcting mechanism abrasion influences dimensional accuracy small;Calibration speed Fastly, work efficiency is high.

Claims (5)

1. a kind of welding robot and soldering cramping apparatus self-checking device, including welding robot and soldering cramping apparatus, characterized in that The soldering cramping apparatus is equipped with multiple correcting mechanisms, and correcting mechanism includes calibration block, and calibration block is fixed with soldering cramping apparatus, calibration block It is equipped with the calibration conical surface, the welding robot is equipped with welding gun, calibration of axes is equipped in welding gun muzzle, and calibration of axes end is equipped with school Quasi- taper hole, the calibration conical surface are adapted to calibration calibration taper hole.
2. a kind of welding robot according to claim 1 and soldering cramping apparatus self-checking device, characterized in that the school Quasi- mechanism further includes protective shell, and protective shell is fixed with soldering cramping apparatus, and protective shell upper end is equipped with through-hole, through-bore axis and the calibration conical surface Axis is overlapped.
3. a kind of welding robot according to claim 1 and soldering cramping apparatus self-checking device, characterized in that the school Quasi- block includes sequentially connected positioning region, pedestal and calibration portion, and the calibration conical surface is arranged in calibration portion end;The folder that is welded Tool is equipped with location hole, and location hole is adapted to positioning region;Pedestal is bolted with soldering cramping apparatus.
4. a kind of welding robot according to claim 1 or 2 or 3 and soldering cramping apparatus self-checking device, characterized in that The calibration of axes is screwed with welding gun.
5. a kind of welding robot according to claim 1 or 2 or 3 and soldering cramping apparatus self-checking device, characterized in that The calibration of axes end is located within welding gun muzzle end face.
CN201821556285.7U 2018-09-21 2018-09-21 A kind of welding robot and soldering cramping apparatus self-checking device Active CN209021508U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109909658A (en) * 2018-09-21 2019-06-21 万向钱潮股份有限公司 A kind of welding robot and soldering cramping apparatus self-checking device and method
CN110508953A (en) * 2019-09-23 2019-11-29 宁波奥克斯厨电制造有限公司 A kind of positioning device and localization method of fixture for laser welding
CN112388237A (en) * 2021-01-19 2021-02-23 西安贝伦环保科技有限公司 Automobile door welding frame
CN112536750A (en) * 2020-10-29 2021-03-23 东风汽车有限公司 Gear pin press-fit clamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109909658A (en) * 2018-09-21 2019-06-21 万向钱潮股份有限公司 A kind of welding robot and soldering cramping apparatus self-checking device and method
CN110508953A (en) * 2019-09-23 2019-11-29 宁波奥克斯厨电制造有限公司 A kind of positioning device and localization method of fixture for laser welding
CN112536750A (en) * 2020-10-29 2021-03-23 东风汽车有限公司 Gear pin press-fit clamp
CN112388237A (en) * 2021-01-19 2021-02-23 西安贝伦环保科技有限公司 Automobile door welding frame

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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province

Patentee after: Wanxiang Qianchao Co.,Ltd.

Patentee after: WANXIANG GROUP Co.,Ltd.

Address before: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province

Patentee before: WANXIANG QIANCHAO Co.,Ltd.

Patentee before: WANXIANG GROUP Co.,Ltd.